外研版英语七年级下Module1Unit32.ppt

Unit3Languageinuse1.把下列动词改为现在分词sitswimrunputgetseejumpreadcleaneatlistenwritehavetakeplaytingmingningtingtinginginginginginginginginginging2,用be(is,am,are)动词的适当形式填空Tonybuyingsomefruits.LucyandLilydoingtheirhomework.Isinginginthewashroom.Theyplayingfootball.Sheenjoyinghervisit.isareamareisStep1. 现在进行时态1.定义：表示现在正在进行的动作。2.构成：be+动词的现在分词。Be随着人称、数的变化而变化。(amisare)现在分词与动名词的基本形式你知道吗？那么简单，谁不知道,是由动词末尾加-ing形式构成，因此又叫动词的-ing形式。V+-ing现在分词的组成形式有如下几种：1动词后面直接加ing:doingbuyingplaying2动词去e加ing:havingtakinggivingwriting3重读闭音节单词,双写动词最后一个字母，然后加ing:runningswimmingsittingshoppinggettingbeginningputting4特殊形式的变化：lie—lyingdie--dyingStep1现在进行时:肯定句bedoing否定句benotdoing一般疑问句，Be动词提前到句子开头I’mvisitingmyfriendsnow.Heisn’twritingapostcard.Issheenjoyinghervisit?Aretheybuyingpostcards?句型转换:1Sheiswatchingaballet.(变否定句)2We’rewaitingforourteacher.(变一般疑问句)3IsTonycallingafriend?(作肯定问答)4Theyarelyinginthesun.(画线提问)Sheisn’twatchingaballet.Areyouwaitingforyourteacher?Yes,heis.Whataretheydoing?4.常与现在进行时态连用的词:now,listen,look等。如：Whatareyoudoingnow?(你在干什么？)I’mreadingnow.(我现在正在读书。)Listen!Sheissinging.(听，她正在唱歌。)Look!Myparentsarewateringtheflowers.(看,我的父母亲正在浇花.)Step2.LookandanswerWhatistheboydoing?Heisswimminginthesea.Whatisthegirldoing?Sheiscleaningtheblackboard.Whatarethestudentsdoing?Theyaredancing.Whataretheboysdoing?Theyarefishing.Step3CompletetheconversationTonyishavingwithhisdad.Tony:Hi,Dad!Dad:Hi,Tony.What